21902068515

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{40283}}^1$

素因数の和:40899

約数の個数: 32

約数和(自身を含む): 35632970496

約数和(自身を除く): 13730901981

約数列:

[1, 3, 5, 15, 67, 201, 335, 541, 1005, 1623, 2705, 8115, 36247, 40283, 108741, 120849, 181235, 201415, 543705, 604245, 2698961, 8096883, 13494805, 21793103, 40484415, 65379309, 108965515, 326896545, 1460137901, 4380413703, 7300689505, 21902068515]

約数ペア:

[(1, 21902068515), (3, 7300689505), (5, 4380413703), (15, 1460137901), (67, 326896545), (201, 108965515), (335, 65379309), (541, 40484415), (1005, 21793103), (1623, 13494805), (2705, 8096883), (8115, 2698961), (36247, 604245), (40283, 543705), (108741, 201415), (120849, 181235)]